LG DU-30LZ30 User manual

LCD
Color Television
OWNER’S MANUAL
Please read this manual carefully before operating your set.
Retain it for future reference.
Record model number and serial number of the set.
See the label attached on the back cover and quote this
information to your dealer when you require service.
MODELS: DU-30LZ30
DU-42LZ30
LG Electronics U.S.A. , Inc.

2
Warning
WARNING:
TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER (OR BACK). NO USER
SERVICEABLE PARTS INSIDE. REFER TO QUALIFIED SERVICE PERSONNEL.
The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to
the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of sufficient
magnitude to constitute a risk of electric shock to persons.
The exclamation point within an equilateral triangle is intended to alert the user to the presence of impor-
tant operating and maintenance (servicing) instructions in the literature accompanying the appliance.
WARNING:
TO PREVENT FIRE OR SHOCK HAZARDS, DO NOT EXPOSE THIS PRODUCT TO RAIN OR MOISTURE.
POWER CORD POLARIZATION:
CAUTION: TO PREVENT ELECTRIC SHOCK, MATCH WIDE BLADE OF PLUG TO WIDE SLOT, FULLY INSERT.
NOTE TO CABLE/TV INSTALLER:
This reminder is provided to call the CATV system installer’s attention to Article 820-40 of the National Electric Code
(U.S.A.). The code provides guidelines for proper grounding and, in particular, specifies that the cable ground shall be
connected to the grounding system of the building, as close to the point of the cable entry as practical.
REGULATORY INFORMATION:
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of
the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equip-
ment is operated in a residential installation. This equipment generates, uses and can radiate radio frequency energy
and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio com-
munications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment
does cause harmful interference to radio or television reception, which can be determined by turning the equipment off
and on, the user is encouraged to try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s
authority to operate the equipment.
COMPLIANCE:
The responsible party for this product’s compliance is:
LG Electronics.
CAUTION:
Do not attempt to modify this product in any way without written authorization from LG Electronics. Unauthorized mod-
ification could void the user’s authority to operate this product. The responsible party for this product’s compliance is :
LG Electronics U.S.A., Inc.
1000 Sylvan Avenue, Englewood Cliffs, NJ 07632
1-201-816-2000
http://www.lgusa.com
WARNING
RISK OF ELECTRIC SHOCK
DO NOT OPEN
W
Warning arning

3
Safety Instructions
Important safeguards for you and your new product
Your product has been manufactured and tested with your safety in mind. However, improper use can result in electrical
shock or fire hazards. To avoid defeating the safeguards that have been built into your new product, please read and observe
the following safety points when installing and using your new product, and save them for future reference.
Observing the simple precautions discussed in this manual can help you get many years of enjoyment and safe operation
that are built into your new product.
This product complies with all applicable U.S. Federal safety requirements, and those of the Canadian StandardsAssociation.
1. Read Instructions
All the safety and operating instructions should be read
before the product is operated.
2. Follow Instructions
All operating and use instructions should be followed.
3. Retain Instructions
The safety and operating instructions should be retained for
future reference.
4. Heed Warnings
All warnings on the product and in the operating instructions
should be adhered to.
5. Cleaning
Unplug this product from the wall outlet before cleaning. Do
not use liquid cleaners or aerosol cleaners. Use a damp
cloth for cleaning.
6. Water and Moisture
Do not use this product near water, for example, near a bath
tub, wash bowl, kitchen sink, or laundry tub, in a wet base-
ment, or near a swimming pool.
7. Accessories, Carts, and Stands
Do not place this product on a slippery or tilted surface, or on
an unstable cart, stand, tripod, bracket, or table. The product
may slide or fall, causing serious injury to a child or adult,
and serious damage to the product. Use only with a cart,
stand, tripod, bracket, or table recommended by the manu-
facturer, or sold with the product. Any mounting of the prod-
uct should follow the manufacturer’s instructions, and should
use a mounting accessory recommended by the manufac-
turer.
8. Transporting Product
A product and cart combination should be moved with care.
Quick stops, excessive force, and uneven surfaces may
cause the product and cart combination to overturn.
9. Attachments
Do not use attachments not recommended by the product
manufacturer as they may cause hazards.
10. Ventilation
Slots and openings in the cabinet are provided for ventilation
and to ensure reliable operation of the product and to protect
it from overheating, and these openings must not be blocked
or covered. The openings should never be blocked by plac-
ing the product on a bed, sofa, rug, or other similar surface.
This product should not be placed in a built-in installation
such as a bookcase or rack unless proper ventilation is pro-
vided or the manufacturer’s instructions have been adhered
to.
11. Power Sources
This product should be operated only from the type of power
source indicated on the marking label. If you are not sure of
the type of power supply to your home, consult your product
dealer or local power company. For products intended to
operate from battery power, or other sources, refer to the
operating instructions.
12. Power-Cord Polarization
This product is equipped with a three-wire grounding type
plug, a plug having a third (grounding) pin. This plug will only
fit into the grounding-type power outlet. This is a safety fea-
ture. If you are unable to insert the plug into the outlet, con-
tact your electrician to replace your obsolete outlet. Do not
defeat the safety purpose of the grounding-type plug.
13. Power-Cord Protection
Power-supply cords should be routed so that they are not
likely to be walked on or pinched by items placed upon or
against them, paying particular attention to cords at plugs,
convenience receptacles, and the point where they exit from
the product.
PORTABLE CART WARNING
Safety Instructions
Safety Instructions

4
Safety Instructions
Antenna Lead in Wire
Antenna Discharge Unit
(NEC Section 810-20)
Grounding Conductor
(NEC Section 810-21)
Ground Clamps
Power Service Grounding
Electrode System (NEC
Art 250, Part H)
Ground Clamp
Electric Service
Equipment
Example of Grounding According to National
Electrical Code Instructions
NEC - National Electrical Code
14. Outdoor Antenna Grounding
If an outside antenna or cable system is connected to the
product, be sure the antenna or cable system is grounded so
as to provide some protection against voltage surges and
built-up static charges. Article 810 of the National Electrical
Code (U.S.A.), ANSI/ NFPA 70 provides information with
regard to proper grounding of the mast and supporting struc-
ture, grounding of the lead-in wire to an antenna discharge
unit, size of grounding conductors, location of antenna-dis-
charge unit, connection to grounding electrodes, and
requirements for the grounding electrode.
15. Lightning
For added protection for this product (receiver) during a light-
ning storm, or when it is left unattended and unused for long
periods of time, unplug it from the wall outlet and disconnect
the antenna or cable system. This will prevent damage to the
product due to lightning and power-line surges.
16. Power Lines
An outside antenna system should not be located in the
vicinity of overhead power lines or other electric light or
power circuits, or where it can fall into such power lines or
circuits. When installing an outside antenna system, extreme
care should be taken to keep from touching such power lines
or circuits as contact with them might be fatal.
17. Overloading
Do not overload wall outlets and extension cords as this can
result in a risk of fire or electric shock.
18. Object and Liquid Entry
Never push objects of any kind into this product through
openings as they may touch dangerous voltage points or
short-out parts that could result in a fire or electric shock.
Never spill liquid of any kind on the product.
19. Servicing
Do not attempt to service this product yourself as opening or
removing covers may expose you to dangerous voltage or
other hazards. Refer all servicing to qualified service per-
sonnel.
20. Damage Requiring Service
Unplug this product from the wall outlet and refer servicing to
qualified service personnel under the following conditions:
a. If the power-supply cord or plug is damaged.
b. If liquid has been spilled, or objects have fallen into the
product.
c. If the product has been exposed to rain or water.
d. If the product does not operate normally by following the
operating instructions.Adjust only those controls that are
covered by the operating instructions as an improper
adjustment of other controls may result in damage and
will often require extensive work by a qualified technician
to restore the product to its normal operation.
e. If the product has been dropped or the cabinet has been
damaged.
f. If the product exhibits a distinct change in performance.
21. Replacement Parts
When replacement parts are required, be sure the service
technician has used replacement parts specified by the man-
ufacturer or have the same characteristics as the original
part. Unauthorized substitutions may result in fire, electric
shock, or other hazards.
22. Safety Check
Upon completion of any service or repairs to this product,
ask the service technician to perform safety checks to deter-
mine that the product is in proper operating condition.
23. Wall or Ceiling Mounting
The product should be mounted to a wall or ceiling only as
recommended by the manufacturer. The product may slide
or fall, causing serious injury to a child or adult, and serious
damage to the product.
24. Heat
The product should be situated away from heat sources
such as radiators, heat registers, stoves, or other products
(including amplifiers) that produce heat.
Safety Instructions continued
Safety Instructions continued

5
Contents
After reading this manual, keep it handy for future reference.
Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3~4
Introduction
Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Connection Options . . . . . . . . . . . . . . . . . . . . . .7
Remote Control Key Functions . . . . . . . . . . . . . .8
Installation
Installation Instruction . . . . . . . . . . . . . . . . . . . . . . .9
External Equipment Connections . . . . . . . . . .11~15
Antenna Connection . . . . . . . . . . . . . . . . . . . . .11
VCR Setup / Cable TV Setup . . . . . . . . . . . . . .12
External A/V Source Setup . . . . . . . . . . . . . . . .13
Monitor Out Setup / DVD Setup . . . . . . . . . . . .13
HDSTB Setup / Digital Audio Output . . . . . . . . .14
PC Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Operation
Screen Setup for PC mode
Adjustments for screen position, clock, and phase . .16
Turning the TV On . . . . . . . . . . . . . . . . . . . . . . . .17
On-screen Menus Language Selection . . . . . . . . .17
Setup Menu Options
EZ Scan (Channel Search) . . . . . . . . . . . . . . . .18
Channel Edit . . . . . . . . . . . . . . . . . . . . . . . . . . .18
DTV Signal Strength . . . . . . . . . . . . . . . . . . . . .19
Channel Label Setup . . . . . . . . . . . . . . . . . . . .19
Main Picture Source Selection . . . . . . . . . . . . .20
Front LED (Light Emitting Diode) Display . . . . .20
Video Menu Options
EZ Picture . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Manual Picture Control (User Option) . . . . . . . .21
XD Function . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Color Temperature Control . . . . . . . . . . . . . . . .22
Video Preset . . . . . . . . . . . . . . . . . . . . . . . . . .22
Audio Menu Options
Audio Language . . . . . . . . . . . . . . . . . . . . . . . .23
EZ SoundRite / EZ Sound . . . . . . . . . . . . . . . . .23
Manual Sound Control (User Option) . . . . . . . .23
Stereo/SAP Broadcasts Setup . . . . . . . . . . . . .24
Front Surround . . . . . . . . . . . . . . . . . . . . . . . . .24
TV Speakers On/Off Setup . . . . . . . . . . . . . . . .24
Time Menu Options
Auto Clock Setup . . . . . . . . . . . . . . . . . . . . . . .25
Manual Clock Setup . . . . . . . . . . . . . . . . . . . . .25
On/Off Timer Setup . . . . . . . . . . . . . . . . . . . . .25
Sleep Timer / Auto Off . . . . . . . . . . . . . . . . . . . .26
Option Menu Features
Aspect Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Caption / Caption Mode . . . . . . . . . . . . . . . . . .28
Caption Option / Cinema Mode Setup . . . . . . . .29
Demo (Review) . . . . . . . . . . . . . . . . . . . . . . . . .29
Split Zoom . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Lock Menu Options
Parental Lock Setup . . . . . . . . . . . . . . . . . . . . .31
PIP (Picture-in-Picture)/Twin Picture
Watching PIP/POP/Twin Picture . . . . . . . . . . . ..32
Selecting an Input Signal Source for PIP/Twin Picture . .32
Swapping PIP/POP/Twin Picture . . . . . . . . . . . .32
TV Program Selection for PIP . . . . . . . . . . . . . .32
Moving the PIP sub picture . . . . . . . . . . . . . . . .33
Adjusting Main and Sub Picture Sizes for Twin Picture . .33
POP (Picture-out-of-Picture: Channel Scan) . . .33
External Control Device Setup . . . . . . . . . . . . . . . .34~38
IR Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39~40
Programming the Remote . . . . . . . . . . . . . . . . . . . . . .41
Programming Codes . . . . . . . . . . . . . . . . . . . . . . .42~43
Troubleshooting Checklist . . . . . . . . . . . . . . . . . . . . . .44
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
Product Specifications . . . . . . . . . . . . . . . . . . . . . . . . .46
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47~48
Contents
Contents
Setup and Operation Checklist
Setup and Operation Checklist
Setup and Operation Checklist
(See pages 11~15 for available connection and operational setup options.)
1. Unpack TV and all accessories.
2. Connect all external video and audio equipment.
see pages 11 ~ 15.
3 Install batteries in remote control.
See page 8.
4. Turn TV on.
See page 17.
5. Turn video source equipment on.
6. Select viewing source for TV.
See page 20.
7. Fine-tune source image and sound to your personal prefer-
ence or as required by source.
See pages 21 ~ 24.
8. Additional features set up
See Contents above.